Green Valley Estates, NY
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2024-2026). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest 90th-percentile result was reported as 0 (not detected at the lab's limit). That says the sampled homes were low, not that your home has no lead service line. Check your utility's service line inventory for your address.
Who runs the water here
Green Valley Estates serves about 344 people through 172 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Cattaraugus County, New York. EPA system ID: NY0417895; phone on file: 716-699-4200. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Green Valley Estates's lead record
That is down 3.15 ppb from 3.15 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Green Valley Estates is 3.15 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 0 (not detected) |
| 2021 | 3.15 ppb |
| 2018 | 2.6 ppb |
Against other New York systems
Of the 2,077 New York systems with a lead result, the median latest reading is 1.5 ppb; 17 are over 15 ppb right now and 165 have gone over at some point. Green Valley Estates's reported as 0 (not detected) sits at the 12th percentile in New York and the 20th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
44 other systems share Cattaraugus County; 38 of them have a higher latest lead result than Green Valley Estates. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Olean City | 14,500 | 3.5 ppb |
| Salamanca City | 5,815 | 2.6 ppb |
| Gowanda Village | 2,800 | 2.2 ppb |
| Allegany Village | 2,000 | 4.5 ppb |
| Allegany Town District #8 (St. Bonas) | 1,850 | 2.62 ppb |
| Franklinville Village | 1,760 | 1 ppb |
| Randolph Town Water District | 1,738 | 2.2 ppb |
| Ellicottville Town Water District | 1,420 | 1 ppb |
| Little Valley Village | 1,188 | 1.4 ppb |
| Cattaraugus Village | 1,185 | 1 ppb |
Next steps for Ellicottville, NY
Look up your address in Green Valley Estates's service line inventory. If it says lead, galvanized or unknown, test your tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Green Valley Estates whether it covers that cost before hiring anyone - many utilities now do.
These figures describe homes the utility sampled, not your tap. Only your service line record or a test of your own water answers the question for your house. What a 90th-percentile result does and does not tell you: how to read a lead result. A zero today does not rule out a jump later - the rules are tightening in 2027.